alloy

noun
al·​loy | \ ˈa-ˌlȯi How to pronounce alloy (audio) also ə-ˈlȯi How to pronounce alloy (audio) \

Definition of alloy

 (Entry 1 of 2)

1 : the degree of mixture with base metals : fineness
2 : a substance composed of two or more metals or of a metal and a nonmetal intimately united usually by being fused together and dissolving in each other when molten also : the state of union of the components
3a : an admixture that lessens value
b : an impairing alien element
4 : a compound, mixture, or union of different things an ethnic alloy of many peoples
5 archaic : a metal mixed with a more valuable metal to give durability or some other desired quality

alloy

verb
al·​loy | \ ə-ˈlȯi How to pronounce alloy (audio) also ˈa-ˌlȯi How to pronounce alloy (audio) \
alloyed; alloying; alloys

Definition of alloy (Entry 2 of 2)

transitive verb

b : to impair or debase by admixture
2 : to reduce the purity of by mixing with a less valuable metal
3 : to mix so as to form an alloy

intransitive verb

: to lend itself to being alloyed iron alloys well

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Examples of alloy in a Sentence

Noun

testing the properties of various alloys a part made of aluminum alloy

Recent Examples on the Web: Noun

The guidewire is made of a bendy nickel-titanium alloy called nitinol covered in an ink studded with magnetic particles and is only 0.6 millimeters in diameter. Jason Daley, Smithsonian, "‘Robotic Worm’ Could Be the Future of Stroke Care," 30 Aug. 2019 The gold medals use more than 6 grams of gold plating on pure silver, the silver medals are made from pure silver, and the bronze medals use a red brass alloy made up of 95-percent copper and 5-percent zinc. Sam Byford, The Verge, "Tokyo unveils 2020 Olympic medals harvested from old gadgets," 24 July 2019 Either an epic collision triggered the formation of icosahedrite and the other alloys, or the impact happened afterward. Quanta Magazine, "In a Grain, a Glimpse of the Cosmos," 13 June 2014 Engineers are testing prototypes in a plasma wind tunnel and reckon the winning design will contain a low-melting-point alloy of zinc. The Economist, "No one has yet been killed by re-entering space junk," 10 Aug. 2019 Ore must be processed into rare earth oxides, refined into rare earth metals, converted into rare earth alloys and manufactured into rare earth magnets and other components. Eugene Gholz For Cnn Business Perspectives, CNN, "The rare earths industry can weather any Chinese trade battle," 23 July 2019 The last, available on both the 200 and 250h, comes with suspension modifications and special 18-inch alloy wheels to enhance handling. Frank A. Aukofer, Houston Chronicle, "2019 LEXUS UX 250h: Luxury hybrid comes with all-wheel drive," 14 July 2019 When two foods are combined in a single bite, their chemical essences collide, mushing together to form a completely new alloy. Ali Bouzari, SFChronicle.com, "Housemade: The science behind a feast of flavor pairings at Kismet in Los Angeles," 12 July 2019 To increase their stability, the prototypes were reforged in 1889 out of a platinum-iridium alloy and stowed under lock and key. Robert Rathe, National Geographic, "The kilogram is forever changed. Here's why that matters.," 20 May 2019

Recent Examples on the Web: Verb

Tungsten is normally brittle, so procedures to mechanically process it to increase its strength and to alloy it with other materials to prevent its embrittlement from radiation damage are being studied. Giulia Pacchioni, Scientific American, "The Road to Fusion," 26 Aug. 2019 Automakers are making nearly continuous improvements to vehicle engines and structures by alloying their steels with an evolving list of special ingredients such as manganese, titanium, chromium, and nickel. Bengt Halvorson, Car and Driver, "Toyota’s New Electric Motor Cuts Need for Costly (and Overwhelmingly China-Sourced) Rare-Earth Metal," 27 Feb. 2018 The light gray or whitish metal can be alloyed with steel to form materials that are stable at high temperatures. Thomas Biesheuvel, Bloomberg.com, "China Sends One of the West’s Most Critical Materials Soaring," 11 Sep. 2017 Anger and anguish alloyed to reveal a deep, familiar frustration. Bill Oram, Orange County Register, "Clippers one game away from offseason after 96-92 Game 5 loss to Jazz," 25 Apr. 2017 Yttrium and neodymium are alloyed to make the magnets in turbines for windmills. Nelson Ching, National Geographic, "How Acid—and Bacteria—Could Make Recycling Your Phone Greener," 10 June 2016

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'alloy.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of alloy

Noun

1593, in the meaning defined at sense 1

Verb

1625, in the meaning defined at sense 3

History and Etymology for alloy

Noun

French aloi, from Old French alei, from aleir to combine, from Latin alligare to bind — more at ally

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Statistics for alloy

Last Updated

17 Sep 2019

Look-up Popularity

Time Traveler for alloy

The first known use of alloy was in 1593

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More Definitions for alloy

alloy

noun

English Language Learners Definition of alloy

: a metal made by melting and mixing two or more metals or a metal and another material together

alloy

noun
al·​loy | \ ˈa-ˌlȯi How to pronounce alloy (audio) , ə-ˈlȯi\

Kids Definition of alloy

: a substance made of two or more metals melted together Brass is an alloy of copper and zinc.

alloy

noun
al·​loy | \ ˈal-ˌȯi How to pronounce alloy (audio) , ə-ˈlȯi How to pronounce alloy (audio) \

Medical Definition of alloy

1 : the degree of mixture with base metals
2 : a substance composed of two or more metals or of a metal and a nonmetal intimately united usually by being fused together and dissolving in each other when molten also : the state of union of the components

Other Words from alloy

alloy \ ə-​ˈlȯi How to pronounce alloy (audio) , ˈal-​ˌȯi How to pronounce alloy (audio) \ transitive verb

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More from Merriam-Webster on alloy

Rhyming Dictionary: Words that rhyme with alloy

Thesaurus: All synonyms and antonyms for alloy

Spanish Central: Translation of alloy

Nglish: Translation of alloy for Spanish Speakers

Britannica English: Translation of alloy for Arabic Speakers

Britannica.com: Encyclopedia article about alloy

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